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| 1 | 墨西哥地下水中的砷和氟化物显示文摘墨西哥各区含水层的监测结果表明,地下水砷浓度和氟浓度都高于饮用水标准,调查表明,污染物是原生的;而少数区域的监测结果表明,污染主要是由于对水特殊处理后,将一些有毒元素释放到地下水中所致。在墨西哥北部Comarca Lagunera,就砷对健康的影响进行了大量的研究,而且在这些区域还发现了高氟水。这些地方砷的来源问题仍有争议。天然的和人为排放的砷污染了采矿活动频繁区域的地下水。墨西哥中部Zimapan裂隙石灰岩含水层被富砷矿物污染。尾矿和富含烟气的沉积物的冶炼污染了浅层小颗粒含水层(granular aquifer)。在SanAntonio-El Triunfo采矿区、加利福尼亚南部Baja和San Luis Potosi州的Santa Maria de la Paz也报道砷污染的情况。水文地球化学和统计学手段调查表明,即便不采矿,毒砂氧化也可能污染水体,如墨西哥高原的Independencia含水层就是这样的实例。在Los Azufres、Los Humeros和Acoculco地热区也有高浓度的砷检出,在Aguascalientes、Los Azufres、Los Humeros和Acoculco州调查了氟斑牙的发病率。水中的氟化物导致酸性的火山岩分解。墨西哥大部分居民都饮用地下水。目前对墨西哥地质概况的调查表明,在所有的水富集区,必须把测定地下水砷和氟化物浓度的工作提到日程上来,进行学科间的研究,评价污染物的来源。 | M. A. Armienta · N. Segovia 葛秀珍(翻译) 张福存(校对) | 2009 | 水文地质工程地质技术方法动态2009，，3： | 2 |
| 2 | Arsenic and fluoride in the groundwater of Mexico显示文摘 | Armienta M A Segovia N | 2008 | Environmental Geochemistry and Health2008，30，： | 1 |
| 3 | Groundwater arsenic variations:the role of local geology and rainfall显示文摘 | Rodríguez R Ramos JA Armienta A | 2004 | Appl Geochem2004，19，： | 1 |
| 4 | Variations of Pb in a mine-impacted tropical river,Taxco,Mexico:Use of geochemical,isotopic and statistical tools显示文摘 | Arcega-Cabrera F Armienta M A Daesslé L W Castillo-Blum S E Talavera O Dótor A | 2009 | Applied Geochemistry2009，24，： | 1 |
| 5 | Distribution,origin and fate of chromium in soils in Guanajuato,Mexico显示文摘 | Armienta M A Rodriguez R Ceniceros N | 1996 | Environmental Pollution1996，91，3： | 1 |
| 6 | Solid-phase control on the mobility of potentially toxic elements in an abandoned lead/zinc mine tailings impoundment, Taxco, Mexico显示文摘 | ROMERO F M ARMIENTA M A GONZALEZ- HERNANDEZ G | 2007 | Applied Geochemistry2007，22，1： | 1 |
| 7 | The role of arsenic-bearing rocks in groundwater pollution at Zimapan Valley Mexico显示文摘 | Armienta M A Villasenor G Rodriguez R | 2001 | Environmental Geology2001，40，2： | 1 |
| 8 | Geochemistry of metals from mine tailings in taxco, mexico显示文摘 | ARMIENTA M A TALAVERA O MORTON O | 2003 | Bulletin of Environmental Contamination and Toxicology2003，71，2： | 1 |
| 9 | Groundwater arsenic variations: the role of local geology and rainfall 显示文摘 | Rodriguez R Ramos JA Armienta A | 2004 | Appl Geochem2004，19，： | 1 |
| 10 | Arsenic distribmion in mesquile (Prosopis laevigala)and huizache (Acacia farnesiana)in the Zim apan mining area, Mexico 显示文摘 | Armienta M A Ongley L K Rodriguez R | 2008 | Geochemistry: Exploration Environment Anabysis2008，8，2： | 1 |
| 11 | Hydrogeochemical behavior of chromium in the unsaturated zone and in the aquifer of Leon Valley, Mexico 显示文摘 | Armienta M A Qere A | 1995 | Water Air and Soil Pollution1995，84，： | 1 |
| 12 | Arsenic and fluoride in thegroundwater of Mexico 显示文摘 | ARMIENTA M A SEGOVIA N | 2008 | Environmental Geochemistry andHealth2008，30，4： | 1 |
| 13 | Potassium dichromate increases the micronucleus frequency in the crayfish Procambarus clarkia显示文摘 | Armienta MA Gonsebatt ME | 2003 | Environ pollut2003，126，3： | 1 |
| 14 | Arsenic in the soils of Zimapa'n, Mexico显示文摘 | Lois K Ongley Leslie Sherman Aurora Armienta | 2007 | Environmental Pollution2007，45，： | 1 |
| 15 | Solid-phase control on the mobility of potentially toxic elements in an abandoned lead/zinc mine tailings impoundment, Taxco, Mexico 显示文摘 | Romero F M Armienta M A Gonzalez-Hernandez G | 2007 | Applied Geochemistry2007，22，： | 1 |
| 16 | One century of arsenic exposure in Latin America: A review of history and occurrence from 14 countries显示文摘 | Jochen Bundschuh Marta I. Litter Faruque Parvez Gabriela Román-Ross Hugo B. Nicolli Jiin-Shuh Jean Chen-Wuing Liu Dina López María A. Armienta Luiz R.G. Guilherme Alina Gomez Cuevas Lorena Cornejo Luis Cumbal Regla Toujaguez | 2011 | Science of the Total Environment2011，，： | 1 |
| 17 | Arsenic Content in Hair of People Exposed to Natural Arsenic Polluted Groundwater at Zimapán, México显示文摘 | M. A. Armienta R. Rodríguez O. Cruz | 1997 | Bulletin of Environmental Contamination and Toxicology1997，，4： | 1 |
| 18 | Use of δ^(18)O, δ^(13)C and NO_(3)^(-) to identify hydrogeochemical processes related to contamination in an aquifer located in central Mexico显示文摘In this work,an isotopic analysis of δ^(18)O,δ^(13)C,and NO_(3)^(-) concentrations was carried out to identify the origin and the processes related to the contamination of an aquifer located in the state of Guanajuato,Mexico.The research identified the possible sources of δ^(13)C in groundwater.During groundwater flow,CO_(2) participates in different hydrogeochemical reactions in which the dissolution of carbonates or biochemical processes related to biodegradation stand out.Isotopic data of δ^(13)C,δ^(18)O,and the hydrogeochemical behavior of NO_(3)^(-) and HCO_(3)^(-) in water,in addition to isotopic data and the chemical composition of limestones in the study area,were determined to establish the isotopic signature and the processes undergone by the rocks.The isotopic signature of rock and water samples indicated that metamorphic limestones contributed with carbon dioxide to deep groundwater,while in the upper aquifer,bacterial metabolic reactions during nitrification–denitrification could modify the isotopic signature of δ^(13)C in some wells,although atmospheric contribution also plays a role.The modification of the carbon isotopic component is related to the precipitation of calcite in specific regions of the study area,input of atmospheric CO_(2),and soil(e.g.the possible participation of C4-type plants in the assimilation-release of carbon).This process is not confirmed or completely ruled out in this study since agriculture is excessively developed throughout the region.The joint interpretation of isotopic values and the hydrogeochemical behavior of major and conservative elements help in identifying possible pollution processes in which different carbon sources are related. | JoséIván Morales-Arredondo María Aurora Armienta Hernández Fátima Juárez-Aparicio Jorge Federico Landa-Arreguín Itzamna Zaknite Flores-Ocampo | 2022 | Acta Geochimica2022，41，3： | 0 |
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